This is an RC-scale carburettor nipple supplied as a service replacement for glow-engine fuel systems. The item functions as a universal connection for fuel tubing on small nitro engines and focuses on secure hose seating and easy installation without changing carburettor operation.
Installation is straightforward: remove the existing nipple from the carburettor vent or fuel port, confirm the hose inner diameter matches the nipple seating, then push the fuel line onto the nipple until it seats firmly. Fit a short length of heat-shrink or a small clamp where extra retention is needed; avoid using excessive force that could deform the carburettor housing.
For tuning and maintenance, this nipple helps keep a tidy junction for fuel delivery and reduces hose kinks near the carburettor. Check the connection regularly for any fuel seepage and replace the nipple if the seating shows wear or the line slips under normal vibration.
Since this is described as a universal part, verify fitment by visual check and a trial fit on your carburettor before final assembly; do not modify the engine or carburettor body to force a fit. Treat this component as an accessory for model engines and confine work to RC-scale equipment.
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